Glass-breaking hammer



FIG. 1 is a frontal perspective view of a glass-breaking hammer of the present application;

FIG. 2 is a rear perspective view of a glass-breaking hammer of the present application;

FIG. 3 is a left side view of the glass-breaking hammer, the right side view being identical;

FIG. 4 is a front view of the glass-breaking hammer;

FIG. 5 is a rear view of the glass-breaking hammer;

FIG. 6 is a top view of the glass-breaking hammer; and,

FIG. 7 is a bottom view of the glass-breaking hammer. 

CLAIM I claim the ornamental design for a glass-breaking hammer, as shown and described. 